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- W2952152752 abstract "When two variables are related by a known function, the coefficient of determination (denoted $R^2$) measures the proportion of the total variance in the observations that is explained by that function. This quantifies the strength of the relationship between variables by describing what proportion of the variance is signal as opposed to noise. For linear relationships, this is equal to the square of the correlation coefficient, $rho$. When the parametric form of the relationship is unknown, however, it is unclear how to estimate the proportion of explained variance equitably - assigning similar values to equally noisy relationships. Here we demonstrate how to directly estimate a generalized $R^2$ when the form of the relationship is unknown, and we question the performance of the Maximal Information Coefficient (MIC) - a recently proposed information theoretic measure of dependence. We show that our approach behaves equitably, has more power than MIC to detect association between variables, and converges faster with increasing sample size. Most importantly, our approach generalizes to higher dimensions, which allows us to estimate the strength of multivariate relationships ($Y$ against $A,B, ...$) and to measure association while controlling for covariates ($Y$ against $X$ controlling for $C$)." @default.
- W2952152752 created "2019-06-27" @default.
- W2952152752 creator A5033401033 @default.
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- W2952152752 date "2013-03-07" @default.
- W2952152752 modified "2023-10-16" @default.
- W2952152752 title "Discovering general multidimensional associations" @default.
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- W2952152752 doi "https://doi.org/10.48550/arxiv.1303.1828" @default.
- W2952152752 hasPublicationYear "2013" @default.
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